Bibliothèque de L'IMIST/CNRST

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Contaminants in the subsurface : source zone assessment and remediation / par Subsurface,, Committee on Source Removal of Contaminants in the. Publication : [S.l.] : National Academies Press, 2005 . 372 p. ; , At hundreds of thousands of commercial, industrial, and military sites across the country, subsurface materials including groundwater are contaminated with chemical waste. The last decade has seen growing interest in using aggressive source remediation technologies to remove contaminants from the subsurface, but there is limited understanding of: the effectiveness of these technologies; and the overall effect of mass removal on groundwater quality. This report reviews the suite of technologies available for source remediation and their ability to reach a variety of cleanup goals, from meeting regulatory standards for groundwater to reducing costs. The report proposes elements of a protocol for accomplishing source remediation that should enable project managers to decide whether and how to pursue source remediation at their sites. 23 cm. Date : 2005 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

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Urban forest acoustics par Bucur, Voichita. Publication : [S.l.] Springer 2006 . 181 p. , Trees can reduce noise by sound reflection and absorption. Investigating noise control in urban environments, Voichita Bucur's new book Urban Forest Acoustics covers the following topics: - dendrological characteristics of trees - factors affecting sound propagation in forest belts - equipment for in situ noise measurements - acoustical sensors for the measurement of tree characteristics - noise attenuation in situ due to the ground and scattering by trees, trunks, foliage, branches - protection against traffic noise from highways, railways, aircraft - relations between urban noise and trees, birds, and insects - fire control - economic aspects related to the value of urban trees. The book is of particular interest to those concerned with environmental management, noise control, and urban forestry. It is an invaluable source of information for environmental managers, foresters, acousticians, engineers, architects, scientists, and students. 24 cm. Date : 2006 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

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